| Patents for G11B 3 - Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor (2,921) |
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| 01/25/1983 | US4370739 Spinel video disc playback stylus |
| 01/25/1983 | US4369604 Method for mechanically preparing stylus lapping discs |
| 01/25/1983 | CA1140262A1 Information carrying discs |
| 01/25/1983 | CA1140261A1 Information carrying discs |
| 01/20/1983 | WO1983000252A1 Improved peripheral rim for disc records |
| 01/14/1983 | EP0055759A4 Method for reducing the error of the angle of rake on a rotating disc for the transmission of information particularly acoustic signals and equipment for the implementation of such method, particularly pick-up arm. |
| 01/11/1983 | US4368527 Phonograph cartridge alignment |
| 01/11/1983 | CA1139438A1 Integrated cartridge and head assembly |
| 01/05/1983 | EP0068312A1 Keel-tipped stylus, and method and device for making keel-tipped stylus |
| 01/04/1983 | US4367547 Apparatus for holding record disks by vacuum |
| 01/04/1983 | US4367545 Video disc player |
| 12/28/1982 | US4366205 Kneaded mixture of polypropylene, polymethyl methacrylate and graphite flakes |
| 12/21/1982 | US4365326 Record player |
| 12/21/1982 | US4365325 Stylus for tracking a stereophonic or quadraphonic sound groove |
| 12/21/1982 | US4364970 Wear resistance, antistatic |
| 12/15/1982 | EP0066978A2 Phonograph record conditioner |
| 12/15/1982 | EP0066650A2 Hot sprue assembly for an injection molding machine |
| 11/30/1982 | US4361882 Sound reproducing device incorporating a device for selecting a desired record groove |
| 11/30/1982 | US4361880 Programmable automatic record player |
| 11/23/1982 | US4360909 Signal pickup device in a rotary recording medium reproducing apparatus |
| 11/23/1982 | US4360906 Self-propelled record cleaner |
| 11/16/1982 | US4359769 Signal reproduction apparatus |
| 11/16/1982 | US4359768 Vertical tracking angle meter |
| 11/16/1982 | CA1135843A1 Video disc lubricants |
| 11/09/1982 | US4358842 Record player |
| 11/09/1982 | US4358841 Video disc player having stylus protecting apparatus |
| 11/09/1982 | US4358802 Fluid cushion turntable for video disc player |
| 11/09/1982 | CA1135416A1 Video disc player having record side identification apparatus |
| 11/02/1982 | US4357697 Disk complex for reducing electrostatic forces on a record disk |
| 10/27/1982 | EP0063291A1 Process for manufacturing a duplication master |
| 10/26/1982 | US4356561 Control apparatus in automatic audio disc player |
| 10/26/1982 | US4356560 Linear-tracking pick-up arm drive assembly for audio or video disc player |
| 10/26/1982 | US4356349 Acoustic image enhancing method and apparatus |
| 10/19/1982 | US4355382 Apparatus for sharpening a cutting stylus |
| 10/19/1982 | US4355062 Bis(hydroxyalkyl)disiloxanes and lubricant compositions thereof |
| 10/19/1982 | US4355052 Glow discharge and depositing sio product |
| 10/13/1982 | EP0062336A1 Arrangement and method for cutting information into a metallic groove carrier |
| 10/12/1982 | CA1133633A1 Track skipper apparatus for video disc player |
| 10/05/1982 | US4352836 Method for obtaining an abrasive coating |
| 09/29/1982 | EP0061221A1 Record player with spring powered arm return |
| 09/28/1982 | US4352178 Cartridge equalizer |
| 09/28/1982 | US4352177 Automatic record player |
| 09/21/1982 | US4351048 High density information disc lubricants |
| 09/21/1982 | US4351045 Tracking error measurement |
| 09/14/1982 | US4349902 Piezoelectric transducer for recording video information |
| 09/14/1982 | US4349499 Bonding a plastic foil to the unmodulated face of the stamper plate |
| 09/14/1982 | CA1131775A1 Track skipper for video disc player |
| 09/07/1982 | US4348756 Record player control mechanism |
| 09/07/1982 | US4348755 Split tubular member for coupling a tonearm to a speaker cone |
| 09/07/1982 | US4348754 Digital delay for high quality audio use |
| 09/07/1982 | CA1131133A1 Turntable assembly |
| 09/01/1982 | EP0058894A1 Antistatic and scratch-resistant sound/picture recording supports and method for their production |
| 08/31/1982 | US4347598 Tone arm assembly |
| 08/31/1982 | US4347597 Automatic tone arm returning device |
| 08/31/1982 | US4347596 Disc player apparatus |
| 08/31/1982 | US4347595 Record player |
| 08/31/1982 | US4347535 Read/write head carriage assembly |
| 08/25/1982 | EP0058395A1 Continuous playback device including a phonographic disk player for use in dolls and the like |
| 08/24/1982 | US4346469 High density information disc |
| 08/24/1982 | US4346468 High density information disc |
| 08/24/1982 | US4346467 Linear tracking tone arm |
| 08/24/1982 | US4346466 Compensator for horizontal angular error of a record-player arm |
| 08/24/1982 | US4346465 Automatic record player |
| 08/24/1982 | CA1130456A1 Information signal recording system |
| 08/10/1982 | US4344168 Equipment for playing gramophone records and method of operation thereof |
| 08/10/1982 | US4344167 Pickup device |
| 08/10/1982 | US4344166 Driver arrangement for stylus lifting/lowering apparatus |
| 08/10/1982 | US4344163 Record cueing apparatus for turntable tone arm |
| 08/10/1982 | CA1129269A1 Structural material for acoustic machines and instruments |
| 08/05/1982 | EP0044840A4 Information carrying discs. |
| 08/03/1982 | US4342394 Removable protective cover for a video disc stylus cartridge |
| 08/03/1982 | CA1129094A1 Fm signal demodulator with defect detection |
| 08/03/1982 | CA1128922A1 Video disc lubricants |
| 07/27/1982 | US4342110 Record disc playing apparatus with automatic cancellation of inside force on tone arm |
| 07/27/1982 | US4342109 Carriage alignment apparatus for video disc player |
| 07/27/1982 | US4342108 Variable speed tone arm control system |
| 07/27/1982 | US4342107 Pick-up needle |
| 07/27/1982 | US4341472 Method and apparatus for positioning a tapered body |
| 07/27/1982 | US4341469 Laser shadowgraph |
| 07/27/1982 | CA1128423A1 Boron cantilever and method of making the same |
| 07/20/1982 | US4340957 Cartridge and headshell assembly |
| 07/20/1982 | US4340956 Minimum tracking force stylus |
| 07/20/1982 | US4340954 Stylus tip fabrication from a synthetic diamond stone |
| 07/20/1982 | CA1127977A1 Process of forming a sound needle |
| 07/14/1982 | EP0055759A1 Method for reducing the error of the angle of rake on a rotating disc for the transmission of information particularly acoustic signals and equipment for the implementation of such method, particularly pick-up arm |
| 07/14/1982 | EP0055738A1 Turntable system with low aggregate resonance |
| 07/13/1982 | US4339813 Apparatus for detecting groove end of record disk |
| 07/13/1982 | US4339812 Signal pickup cartridge for reproducing signals recorded on rotating recording mediums |
| 07/13/1982 | CA1127549A1 Automatic record playing apparatus |
| 07/13/1982 | CA1127548A1 Tone arm |
| 07/08/1982 | WO1982002273A1 Linear tracking tone arm |
| 07/07/1982 | EP0055485A1 Information signal regenerating stylus and manufacturing method thereof |
| 07/07/1982 | EP0055464A2 Injection molding machine for the manufacture of information carrier discs |
| 06/30/1982 | EP0055089A1 Improvements in or relating to disc record players |
| 06/29/1982 | US4337537 Tonearm position setting device |
| 06/29/1982 | US4337536 Flylead for a video disc stylus cartridge |
| 06/10/1982 | WO1982001956A1 Improvements in phonograph pickup arms |
| 06/09/1982 | EP0053475A2 Record playing apparatus |
| 06/08/1982 | US4333592 Apparatus for handling deformable components supported in a matrix |
| 06/08/1982 | CA1125181A1 Pickup arm device |